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SA205 10x42 ED Flat-field Binoculars BaK-4 Prism With IP67 Waterproof For Birding Festival & Nature Observation

SKU: F9389B-
US$ 236.99
  • Flat field correction; this design solves the problems of edge blur; distortion; field curvature; and chromatic aberration; bringing a more comfortable birding experience;
  • ED glass; the binoculars greatly eliminates chromatic aberration; highly restores real scenery; and makes the picture sharp and clear;
  • FMC coating; improve light transmittance; reduce light loss; allowing you to obtain clearer and brighter images and provide a better observation experience;
  • Magnesium alloy mirror body; the ED binoculars is light weight and corrosion resistant; superior to other materials and long use time;
  • Large eyepieces; binoculars for adults strong light gathering ability; providing more realistic colors; a wider area of the sky can be seen simultaneously;
  • Diopter adjustment; adjust visual balance for easier observation and convenient for people with myopia or presbyopia to see the effect directly without wearing glasses;
  • Twist-up eyecups; SA205 binoculars give you a comfortable experience; it allows you to customize the eye relief to obtain a full field of view with or without glasses.
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SA205 10x42 ED Flat-field Binoculars BaK-4 Prism

The ED glass binoculars is portable with IP67 waterproof function. It is FMC coating with large objective lens. Excellent for birding and other nature observation.

Flat Fileld Correction

The flat-field design can effectively control the edge distortion of the field of view, making your field of vision clear.

Large Objective Lens

The large objective lens can gather more light to provide more clear image and increase your field of view range.

ED Glass

ED glass can eliminates chromatic aberration or color fringing, a visual defect common in binoculars. You'll enjoy razor-sharp images.

Right Visual Diopter Adjustment

Magnesium Alloy Mirror Body

The magnesium alloy material is lightweight and heat-dissipating, making the telescope more portable, durable, and used in various environmental conditions.

Phone Adapter Upgrade

Equipped with a universal phone holder for random shooting, it can quickly capture clearer and brighter photos.

Neck Strap

Various Application Scenarios

Binoculars are widely used in nature observation, tourism, sports viewing, hunting observation and other fields. They provide better vision and magnification, allowing observers to view distant objects more clearly.

4 reviews

Write a review

Great view

The SA 205 presents one of the most relaxed views I’ve witnessed in a flat field binocular. I encountered no blackouts or rolling ball effect while panning.

Brilliant piece of mechanical engineering

The right eye dioptre on the SA 205 is a real treat. Instead of just rotating smoothly, it has click stops that are very easy to adjust and keep the user’s preferred position firmly. I consider this nothing short of a brilliant piece of mechanical engineering. Kudos Svbony!

Excellent binoculars

I am very happy to use it for my ornithological observations. Compared to brand models of more than € they hold the comparison, and not much to be envied, weight dimensions taken in hand and rendering of the image. The economy won will allow me to invest in a long, high-end view.

Sa 205 10x42

Very impressive binoculars. I also own a pair of sv202 and these do match up nicely. Positive - Very sharp image. When the focus is just right it feels as good as the sv202 which has impressive sharpness. - The flat field is noticeable. On the sv202 the blurriness/distortion is at around 20% of the edge, and I'd say these stay sharp and in focus until maybe the last 8-10% of the edge. When viewing a small target it does not make much of a difference, but when scanning around with the binoculars or taking in views i feel it really does improve the experience, letting you take in more of the view at once, and helping on eye fatigue. neutral - The focus wheel is much more sensitive than the sv202, its especially noticeable on medium and long distance targets. While it does allow you to change focus very fast, and you don't feel like you have to spin and spin to change from a distant target to a close one, it also makes it harder to find that sweet spot where your target is in perfect focus since its such a small spot. Bad - The twist-up eye cups have a bit of wobble when moving past each setting. In use it does stay in place and works just fine though, but the feel isn't great. For a potential buyer i would say the main thing you have to take in to consideration and be ok is how sensitive the focus wheel is. All in all though i could not be happier with my purchase, the views in these are fantastic for the price point and i highly recommend them.

Brand

SVBONY

SVBONY

Model

SA205

SA205

SKU

F9389B

F9389A

Objective lens type

ED

ED

Applied technology

Flat field 

Flat field 

Objective Diameter

42mm

42mm

Magnification

10X

8X

Prism Type

Roof

Roof

Prism Glass Material

BAK4

BAK4

Armor material

Rubber

Rubber

Coating condition

Fully multi-coated

Fully multi-coated

Diameter Of The Eyepiece

20.8mm

23.5mm

Eye Relief 

17mm

20mm

Exit pupil 

Ø5.25mm

Ø5.25mm

Field of View

6.4°

7.7°

Field of view 

(at 1000yds)335.4ft 

(at 1000yds)403.8ft

Field of view 

(at 1000M)111.8m 

(at 1000M)134.6m

Min. Focal length

2m

2m

Diopter system

Right Eyepiece

Right Eyepiece

Diopter comp

±5

±5

Resolution

≤4.8"

≤4.8"

Inter pupillary distance

56-77mm

56-77mm

Focus System

Center

Center

Waterproof

IP67 (1.5 meter / 3 Min)

IP67 (1.5 meter / 3 Min)

Eyecups

Twist-up

Twist-up

Tripod Adapter interface

Yes

Yes

Color

Black

Black

Net Weight

700g 

690g 

Dimension

135x129x52mm

135x129x52mm

Features

1. Flat field correction; 
2. ED glass; 
3. FMC coating; 
4. Accessories upgrade; equipped with phone holder;
5. Magnesium alloy mirror body; 
6. Large eyepieces; 
7. Diopter adjustment;
8. IP67 waterproof; 
9. Large anti-slip focusing wheel; 
10. Environmental protection rubber protective skin; 
11. Twist-up eyecups.

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